Agriculture in the World

Pulse School: Early detection of ascochyta blight in chickpea


Illness administration could make or break any given crop 12 months, and on this episode of the Pulse College we’re looking at chickpeas and a very powerful illness to scout for, ascochyta blight.

Dr. Michelle Hubbard is a analysis scientist in pulse pathology with Agriculture and Agri-Meals Canada. She says illness prevention begins earlier than placing seed within the floor by the use of correct planning. An excellent portion of that planning may be present in well-thought-out crop rotations.

Hubbard says chickpeas ought to have a 3 to 4 12 months hole between seeding on the identical discipline and even neighbouring fields needs to be freed from chickpea stubble as a result of it may possibly harbour the illness as effectively.

Exterior of crop rotations, Hubbard says intercropping may be a superb technique for minimizing illness threat. Farmers might take a look at rising flax and chickpeas collectively in the identical discipline, both in the identical row or on alternating rows.

Early scouting and detection is vital to be able to preserve chickpeas in good well being by way of the rising season, she says. When the plant is across the seven to eight node stage is when growers or agronomists needs to be going by way of the crop searching for the illness.

“What you’re searching for is small black dots on the stems and the leaves. And these dots may be simply mistaken for dust. So the way in which to do it’s, to start with, you need to actually get out shut with the vegetation, you’ll be able to’t simply stroll by way of the sector or drive by. After which in case you see black dots, give them just a little rub and see if they arrive off. In the event that they do, chances are high it’s dust. If not, it’s probably illness,” says Hubbard.

If not noticed on the seven to eight node stage, Hubbard recommend farmers revisit the sector inside seven to 10 days. If circumstances are perfect for development, being moist and on the cooler facet, the illness might present up inside three to 5 days and farmers ought to alter scout timing accordingly.

Hearken to the total episode beneath to be taught on what to search for as soon as ascochyta blight begins to contaminate different areas of the plant and what can, and is, being completed concerning the illness.

For all episodes of RealAgriculture’s Pulse Colleges, or to seek for a particular subject, click on right here.

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